化简:2-【2(x+3y)-3(x-2y)】
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化简:2-【2(x+3y)-3(x-2y)】
![化简:2-【2(x+3y)-3(x-2y)】](/uploads/image/z/20058956-44-6.jpg?t=%E5%8C%96%E7%AE%80%EF%BC%9A2-%E3%80%902%EF%BC%88x%2B3y%EF%BC%89-3%28x-2y%29%E3%80%91)
2-[2(x+3y)-3(x-2y)]
=2-[2x+6y-3x+6y]
=2-(-x+12y)
=x-12y+2
幸好不是高中数学,哈哈,不然我可搞不出来.
=2-[2x+6y-3x+6y]
=2-(-x+12y)
=x-12y+2
幸好不是高中数学,哈哈,不然我可搞不出来.
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